Panasonic NCR20700B
High-capacity 20700 cell from Panasonic/Sanyo. 4000mAh capacity with 15A continuous discharge. The energy-focused counterpart to the NCR20700A, trading discharge current for significantly more capacity. Originally a Tesla cell, now available at retail. Best for range-focused builds in the 20700 form factor.
In brief: 20700 NCA battery cell. 4250mAh capacity. 15A continuous discharge.
Specs verified Oct 15, 2026
Where to Find
Prices tracked across 4 sellersPrice History
Price History
Price changes tracked by the crawler
Current best price $6.99. Over the past 90 days: low $6.12, high $7.99, average $7.12 — down 2% vs average.
- 18650 Battery
- 18650 Battery Store
- IMR Batteries
- Li-ion Wholesale
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Specifications
Cell Specs
- Form Factor
- 20700
- Chemistry
- NCA
- Capacity
- 4250mAh
- Continuous Discharge
- 15.00A
